Home / 9,211.34-13,806.75-3,663.20

Finding the Fourth Proportional to 9,211.34, 13,806.75 and 3,663.20

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Solution

The fourth proportional to 9,211.34, 13,806.75 and 3,663.20 is: 5,490.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,211.34 : 13,806.75 = 3,663.20 : x
  2. Step 2: Convert to fraction form
    9,211.34/13,806.75 = 3,663.20/x
  3. Step 3: Cross multiply
    9,211.34x = 13,806.75 × 3,663.20
  4. Step 4: Simplify right side
    9,211.34x = 50,576,886.60
  5. Step 5: Solve for x
    x = 50,576,886.60/9,211.34
  6. Step 6: Final answer
    x = 5,490.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.